Consider the following partial differential equation u(x, y) with the – McqOptions

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1.	Consider the following partial differential equation u(x, y) with the constant c > 1:
A.	u(x, y) = f(x + cy)
B.	u(x, y) = f(x cy)
C.	u(x, y) = f(cx + y)
D.	u(x, y) = f(cx y)
Answer» C. u(x, y) = f(cx + y)

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